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2026-03-18 - 20:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Mar 18, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21810216091,7sleep20-21swapper/207:06:162
21828213472,59sleep00-21swapper/007:06:300
21761213068,8sleep30-21swapper/307:05:373
220852125116,6sleep10-21swapper/107:09:481
271812690,2sleep327179-21munin-run08:10:003
3252620,0sleep30-21swapper/311:35:013
21562570,1sleep30-21swapper/311:05:173
120792570,0sleep10-21swapper/109:20:181
32902550,0sleep20-21swapper/212:35:102
9632530,0sleep00-21swapper/009:10:170
83862530,1sleep10-21swapper/110:45:011
257112520,0sleep20-21swapper/207:39:042
320362290,1sleep20-21swapper/211:30:232
2228299280,27cyclictest0-21swapper/210:49:192
2227799280,27cyclictest0-21swapper/110:31:221
2227799280,27cyclictest0-21swapper/109:14:501
22282992718,5cyclictest752-21lldpd07:56:092
2228299270,26cyclictest0-21swapper/209:39:212
2227799270,26cyclictest0-21swapper/112:07:231
2227799270,26cyclictest0-21swapper/111:55:371
2227799270,26cyclictest0-21swapper/111:38:041
2227799270,26cyclictest0-21swapper/111:25:311
2227799270,26cyclictest0-21swapper/111:06:241
2227799270,26cyclictest0-21swapper/110:37:071
2227799270,26cyclictest0-21swapper/110:07:551
2227799270,26cyclictest0-21swapper/110:03:541
2227799270,26cyclictest0-21swapper/109:44:131
2227799270,26cyclictest0-21swapper/108:48:591
2227799270,26cyclictest0-21swapper/108:20:081
2227799270,26cyclictest0-21swapper/108:18:351
2227799270,26cyclictest0-21swapper/108:13:411
2227799270,26cyclictest0-21swapper/107:54:231
2227799270,26cyclictest0-21swapper/107:37:021
2227499270,26cyclictest0-21swapper/011:28:310
22282992616,7cyclictest749-21snmpd10:10:252
2228299260,25cyclictest0-21swapper/212:30:532
2228299260,25cyclictest0-21swapper/209:20:212
2228299260,25cyclictest0-21swapper/208:04:082
2228299260,24cyclictest31580-21idleruntime-cro07:45:002
2227799260,25cyclictest0-21swapper/112:35:411
2227799260,25cyclictest0-21swapper/111:14:371
2227799260,24cyclictest12707-21awk12:15:001
22282992517,7cyclictest749-21snmpd10:16:362
22282992517,7cyclictest749-21snmpd08:54:572
22282992517,7cyclictest749-21snmpd08:54:562
22277992518,7cyclictest0-21swapper/111:54:591
22277992518,7cyclictest0-21swapper/110:22:431
2227799250,24cyclictest0-21swapper/108:38:351
2228299240,9cyclictest0-21swapper/210:50:122
2228299240,22cyclictest0-21swapper/210:20:162
22282992315,7cyclictest749-21snmpd08:43:062
2228299231,21cyclictest0-21swapper/208:37:112
2228299230,7cyclictest280-21systemd-journal11:49:332
2227499231,21cyclictest0-21swapper/010:01:000
2228299227,14cyclictest0-21swapper/208:30:122
2228299227,11cyclictest15399-21wget09:25:122
2228299225,12cyclictest280-21systemd-journal08:56:462
22282992217,4cyclictest0-21swapper/211:22:182
22282992217,4cyclictest0-21swapper/211:14:522
22282992214,7cyclictest749-21snmpd12:11:262
22282992214,7cyclictest749-21snmpd12:00:582
22282992214,7cyclictest749-21snmpd11:54:322
22282992214,7cyclictest749-21snmpd10:42:482
2228299221,20cyclictest0-21swapper/210:38:222
2228299220,21cyclictest0-21swapper/207:21:472
2227799220,21cyclictest0-21swapper/112:27:471
2227799220,21cyclictest0-21swapper/110:15:421
2227799220,21cyclictest0-21swapper/110:10:361
2227799220,21cyclictest0-21swapper/109:49:451
2227799220,21cyclictest0-21swapper/109:37:511
2227799220,21cyclictest0-21swapper/108:58:141
2227799220,21cyclictest0-21swapper/108:40:141
2227799220,21cyclictest0-21swapper/107:33:261
2227799220,21cyclictest0-21swapper/107:27:351
2227499220,21cyclictest0-21swapper/009:19:570
22282992117,3cyclictest0-21swapper/209:31:072
22282992117,3cyclictest0-21swapper/207:30:082
22282992115,5cyclictest749-21snmpd11:02:192
22282992115,5cyclictest749-21snmpd09:17:402
22282992114,6cyclictest749-21snmpd09:02:032
22282992114,6cyclictest749-21snmpd08:18:302
22282992113,7cyclictest749-21snmpd08:24:292
2228299210,20cyclictest0-21swapper/212:26:442
2228299210,20cyclictest0-21swapper/212:15:322
2228299210,20cyclictest0-21swapper/212:15:322
2228299210,20cyclictest0-21swapper/211:40:252
2228299210,20cyclictest0-21swapper/208:05:472
2228299210,20cyclictest0-21swapper/207:50:142
2228299210,20cyclictest0-21swapper/207:19:472
2228299210,19cyclictest11318-21/usr/sbin/munin09:50:132
2228299210,18cyclictest30876-21/usr/sbin/munin09:10:102
22277992118,2cyclictest0-21swapper/110:42:361
2227799210,3cyclictest0-21swapper/109:56:101
2227799210,20cyclictest0-21swapper/112:21:081
2227799210,20cyclictest0-21swapper/111:01:341
2227799210,20cyclictest0-21swapper/110:59:011
2227799210,20cyclictest0-21swapper/109:32:271
2227799210,20cyclictest0-21swapper/109:15:451
2227799210,20cyclictest0-21swapper/107:10:341
2227499214,15cyclictest0-21swapper/007:15:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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